Specifications

1-16
Chapter 1: Product introduction
1.7.2 Internal connectors
1. Serial port connector (10-1 pin COM)
Thisconnectorisforaserial(COM)port.Connecttheserialportmodulecabletothis
connector,theninstallthemoduletoaslotopeningatthebackofthesystemchassis.
2. CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CPU_OPT; 4-pin CHA_
FAN1, 4-pin CHA_FAN2, 4-pin CHA_FAN3)
Connectthefancablestothefanconnectorsonthemotherboard,ensuringthatthe
black wire of each cable matches the ground pin of the connector.
Donotforgettoconnectthefancablestothefanconnectors.Insufcientairowinside
thesystemmaydamagethemotherboardcomponents.Thesearenotjumpers!Donot
placejumpercapsonthefanconnectors!TheCPU_FANconnectorsupportsaCPUfanof
maximum1A(12W)fanpower.
H97-PRO
GAMER
H97-PRO GAMER Serial port (COM) connector
PIN 1
COM
DCD
TXD
GND
RTS
RI
RXD
DTR
DSR
CTS
CHA_FAN1
+5V
CHA FAN IN
CHA FAN PWR
GND
CHA_FAN2
GND CHA FAN PWR CHA FAN IN +5V
A
D
E
D E
CPU_OPT
GND CPU FAN PWR CPU FAN IN CPU FAN PWM
CPU_FAN
GND CPU FAN PWR CPU FAN IN CPU FAN PWM
BA
CHA_FAN3
GND
CHA FAN PWR
CHA FAN IN
+5V
C
B
C
H97-PRO
GAMER
H97-PRO GAMER Fan connectors
TheCOMmoduleispurchasedseparately.
• TheCPU_FANconnectorandCHA_FANconnectorssupporttheASUSFANXpert3
feature.
• TheCPUfanconnectordetectsthetypeofCPUfaninstalledandautomatically
switchesthecontrolmodes.ToconguretheCPUfan’scontrolmode,goto
Advanced > Monitor > CPU Q-Fan ControliteminBIOS.
• ThechassisfanconnectorssupportDCandPWMmodes.TosetthesefanstoDC
orPWM,gotoAdvanced > Monitor > Chassis Fan 1/2/3 Q-Fan Control items in
BIOS.
E9495_H97-PRO_GAMER_Guide.indb 16 2014/6/20 16:05:55